<ng-template matStepperIcon="error">
  <ix-icon name="warning"></ix-icon>
</ng-template>
<ng-template matStepperIcon="edit">
  <ix-icon name="edit"></ix-icon>
</ng-template>
<ng-template matStepperIcon="done">
  <ix-icon name="mdi-check-circle"></ix-icon>
</ng-template>
